But with the eyes of the world fixed on Pyeongchang, Hemmings says Seoul faces a range of horrific hypothetical situations if the worst were to happen.

One such scenario would be an incursion by suicide squads from Kim’s fanatical special forces units.

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An incursion by Kim's elite special forces, pictured in a recent training exercise, is one possibilityCredit: Getty Images

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Kim watched as the fanatical troops practiced dropping in with parachutes in AprilCredit: Getty Images

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The dictator inspects the cheering special forces soldiers after an exerciseCredit: Reuters

The expert says: “The North Koreans have sent squads of special forces into the South before.

“They have attacked Seoul in the past. They crossed over and fought right up to the gates of the presidential palace in the 1960s but were eventually killed to the last man.

“Kim rolled them out for the recent military parade in Pyongyang – they had all the best gear, they’re the most ideologically brainwashed.

“They’re probably semi-suicidal – they’re not afraid to take on these kinds of death missions.”

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Kim's elite special forces troops were on display at a recent parade in PyongyangCredit: Getty Images

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Hemmings says the commandos are the best equipped and the most fanatical of Kim's troopsCredit: Reuters

Sleeper cells laying low in the South could also be called upon to do Kim’s bidding – including assassinating key figures present at the event.

A small minority of North Korean defectors to Seoul are suspected of being double agents – and Kim’s spymasters are known to send them coded messages with instructions by radio, according to the Daily Star.

But by far the worst of all the worst case scenarios would be if Kim were to unleash his deadly artillery on the global gathering.

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Sleeper cells could be called into action to carry out assassinations, like that of Kim Jong-nam, picturedCredit: Reuters

Much has been made of North Korea’s missiles after the country’s recent tests.

But with the Winter Olympics being held so close by, the event could easily be hit by thousands of conventional long-range guns.